De re militari.

Whole page. Miniature. In flower meadow, Alfonso V of Aragon, I of Naples, in (blackened) silver(?) armour on horseback, wearing a helmet crested with a gold dragon, he brandishes a sword. The horse in red and gold filigree patterened housings. Patterned blue backdrop with border.In a surround border of delicate vine leaves and flowers, the arms of Aragon and Calabria quartered, supported by two r…